<!--
 * @Description: 
 * @Author: charles
 * @Date: 2021-06-17 10:51:15
 * @LastEditors: charles
 * @LastEditTime: 2021-06-17 11:04:28
-->
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>对象</title>
</head>
<body>
    <script>
      let a = '3';
      let b = 2;
      let male = "male";
      let c = {
        name:"terry",
        age:12,
        gender:male,
        telephone:'18812344321'
      }
      let d = c;
      d.age++;
      console.log(c.age);

      let e = b;
      e++;
      console.log(b);
      console.log(typeof c,c);

    </script>
</body>
</html>